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GOODWILL
 12 Months Ended
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL
GOODWILL
The changes in Questar Gas' carrying amount and segment allocation of goodwill are presented below:
 
Questar
Gas

 
Corporate and
Other

 
Total

(millions)
 
 
 
 
 
Balance at December 31, 2014(1)
$
5.6

 
$
—

 
$
5.6

No events affecting goodwill
—

 
—

 
—

Balance at December 31, 2015(1)
$
5.6

 
$
—

 
$
5.6

No events affecting goodwill
—

 
—

 
—

Balance at December 31, 2016(1)
$
5.6

 
$
—

 
$
5.6

(1)
There are no accumulated impairment losses.